I'm already displaying a deprecation warning when "googIPv6: false" is used. The warning was added in M102 (currently Beta). In terms of deprecation timeline, I'd like to remove this in ~6 months. M108 is released on November 29, 2022. I suggest we target that milestone.
On Tuesday, May 10, 2022 at 3:15:32 PM UTC+2 Henrik Boström wrote: > Primary eng (and PM) emails > h...@chromium.org, h...@chromium.org > > Summary > WebRTC allows sending and receiving audio, video and arbitrary data > between two endpoints using the RTCPeerConnection API. > > The googIPv6 constraint was originally added to opt-in to IPv6 support > while that was in development, but IPv6 support has subsequently been > enabled-by-default for many years. While setting googIPv6 to true is a > NO-OP, some users make use of this non-standard API to disable IPv6 by > setting it to false. > > Motivation > A spec-compliant WebRTC implementation supports IPv6 and has no way to > disable IPv6. Non-chromium browsers does not have an ability to disable > IPv6, so this constraint is not good for interop. > > We want to remove googIPv6 because a) it's non-standard, and b) it resides > in a dictionary argument of the RTCPeerConnection called mediaConstraints > that is also non-standard. The existence of googIPv6 prevents us from > removing mediaConstraints. > > Interoperability and Compatibility Risk > The other browser vendors have been very supportive of removing > non-standard WebRTC APIs in the past, but I have not reached out to any > browser vendor specifically about googIPv6. > > Alternative implementation suggestion for web developers > N/A. > > Usage information from UseCounter > The LegacyConstraintGoogIPv6 use counter > <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/modules/mediastream/media_constraints_impl.cc;l=379;drc=66fb5c89fa76a7b89983dd6c08e7f67aed1d0999> > suggests 0.000112% > of page loads use this feature by setting it to false (setting it to true > is a NO-OP and not counted here). > > Entry on the feature dashboard > https://chromestatus.com/feature/5184046454800384 > > > > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/ac2ba002-b13a-4c17-b26c-ea38f8ae33b1n%40chromium.org.